#define DEFINE_DYN_CONFIG_PARAM(name) \
const char *dyn_##name = name; \
\
- const char *get_dyn_##name(void) \
+bool is_default_dyn_##name(void) \
{\
- if (dyn_##name == NULL) {\
- return name;\
- }\
- return dyn_##name;\
+ if (strcmp(name, dyn_##name) == 0) { \
+ return true; \
+ } \
+ return false; \
}\
\
- const char *set_dyn_##name(const char *newpath) \
+const char *get_dyn_##name(void) \
{\
- if (dyn_##name) {\
- free(discard_const(dyn_##name)); \
- }\
- dyn_##name = strdup(newpath);\
return dyn_##name;\
}\
- bool is_default_dyn_##name(void) \
+\
+const char *set_dyn_##name(const char *newpath) \
{\
- return (dyn_##name == NULL);\
+ if (newpath == NULL) { \
+ return NULL; \
+ } \
+ if (strcmp(name, newpath) == 0) { \
+ return dyn_##name; \
+ } \
+ newpath = strdup(newpath);\
+ if (newpath == NULL) { \
+ return NULL; \
+ } \
+ if (is_default_dyn_##name()) { \
+ /* do not free a static string */ \
+ } else if (dyn_##name) {\
+ free(discard_const(dyn_##name)); \
+ }\
+ dyn_##name = newpath; \
+ return dyn_##name;\
}
/* these are in common with s3 */